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Now if only the dev team was available... speaking of which, anyone heard from Marcus, he's been noticeably absent here and also on MoHPC forums lately.

Marcus is busy and taken by other affairs for the time being. Speaking of SW & FW development, the whole worldwide community of calculator enthusiasts seems to lack one or two or three people joining Pauli in this task. I must admit I didn't expect anything like this on a planet of 7e9 inhabitants.

Yes, I have. Unshifted, f- and g-shifted, as you could have seen on the picture (1, 10, 11).

What's displayed there is the menu 'EXP for exponential functions not printed on the keyboard.

I know that.

I meant the top 3 rows of the keyboard as soft keys, without shift, instead of the top row with shift. The thought just occurred to me, and it may very well just be a brainfart - but it made curious about the two extra rows are really needed when you have that power in terms of dynamically assignable soft keys.

Elaboration: I think what made that thought occur, is that once you can see what that key might do on the screen, my brain thinks it would like to achieve that with one click, not two.

In fact much more than five functions if the shift functions (f,g,h,I,j) can work in tandem: f+key,g+key,...
f+g+key,g+h+ key,...,f+g+h+key ...
I'll leave it to your DM42 to work out the exact number .

In 1985 a Soviet science fiction author Mikhail Georgievich Pukhov (1944 - 1995) wrote a novel Returning to the Earth. The novel instantly gained popularity, because it was a very first of its kind novel in USSR where an interesting space fiction plot was combined with a set of simple programs for most affordable Soviet computers - RPN programmable calculators Elektronika B3-34, MK54 and MK56. Programs where step-by-step space simulators, written by a talented author of the novel (and an engineer as well). Programs and algorithms behind them were checked by a Soviet cosmonaut Yury Nikolayevich Glazkov (1939 - 2008) who was a Flight Engineer on Soyuz 24 and Salyut 5 space missions. And for those who (like me, a schoolboy in that time), spent long evenings flying a two-seater spacecraft "Kon-Tiki" by drawing trajectories on a sheet of millimeter-paper: